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.................................................................................................................................................................... Pump Bearings

on its edge, thereby reducing its ability to bring the oil up from the
sump.

7.6.4 Oil mist lubrication
An oil mist is a collection of atomized oil droplets which are sprayed
into the bearings by compressed air at a pressure just above atmos-
pheric. It is used to fill the bearing housing as much as possible with oil
in order to minimize the entry of contaminants. In a Purge Oil Mist
system a static oil bath is contained in the housing as well as the oil mist
spray.
In a Pure Oil Mist system, the oil bath is eliminated and the spray of oil
mist is the only form of lubrication used. This results in a minimum

Figure 7.15 Diagram of oil mist system (Reproduced with permission of Lubrication Systems
Company)

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